Horse-drawn gravel spreader at Chickamauga National Military Park, Fort Oglethorpe vicinity, Catoosa, Georgia. Chickamauga was the location of a key Union defeat during the Civil War. Photo taken during initial construction of the park roads in the 1890s. Historic American Engineering Record Collection. LOC original medium: photographic print.

From LOC: "A carpenter at the TVA's new Douglas dam on the French Broad River, Tennessee. This dam will be 161 feet high and 1,682 feet long, with a 31,600-acre reservoir area extending 43 miles upstream. With a useful storage capacity of approximately 1,330,000 acre-feet, this reservoir will make possible the addition of nearly 100,000 kw.

Shipbuilding, Liberty ships, 1941. In an abandoned freight car factory near the Atlantic coast, sections of sleek freighters for the merchant fleet are being prefabricated. Present rate of production is one a week. The men shown at work here believe they can increase that rate to one in six days. Howard Liberman, photographer for Office of War Information. LOC original medium: nitrate negative.